6 to 8 hrs for digestion. it stays in the stomach for 2 hours and then in the intestine for another 2 hours. the undigested food goes to the large intestine and the digested food goes to whole body through blood. Carbhydrates and proteins about 1 1/2 -2 hrs. Fats 2 hrs.
And based on that a foetus does not posses self-awareness. Human babies have been found to become self aware between the ages of 18-24 months. The rouge test is a self-recognition test that identifies a human child's ability to recognize a reflection in a mirror as his or her own.
After all, it's just a question of increasing their self-awareness. His extraordinary self-estimate and self-awareness are equally noticeable. The test of a civilized person is first self-awareness, and then depth after depth of sincerity in self-confrontation. The Crow's Nest Clarence Day, Jr. Early words are a record of the self-awareness of the human, denoting body parts and elementary actions. The Civilization of Illiteracy Mihai Nadin.